[Rd] Library not loaded: /usr/local/lib/libquadmath.0.dylib

[Prof Brian Ripley]

Wrong list: Mac-specific question to R-sig-mac please.

On 03/09/2014 06:35, Xiao He wrote:
> Hi all,
>
> I tried to load a package which includes a shared object on one of my Macs,
> and I got an error message below, which suggests that the file "
> libquadmath.0.dylib" is missing in the /usr/local/lib folder. On my other
> Mac however, I have no problem loading the package, and the file "
> libquadmath.0.dylib" is in the /usr/local/lib folder. I wonder where this
> libquadmath.0.dylib file is from, and how I can install it on the computer
> where it is missing. Thanks!

It is part of gfortran.  See the R-admin manual for where to install 
that from on OS X (I am guessing 10.9, but you really do need to follow 
the posting guide and tell us -- and not send HTML).

>
> library(WRScpp)
> Error in dyn.load(file, DLLpath = DLLpath, ...) :
>    unable to load shared object
> '/Library/Frameworks/R.framework/Versions/3.1/Resources/library/WRScpp/libs/WRScpp.so':
>
> dlopen(/Library/Frameworks/R.framework/Versions/3.1/Resources/library/WRScpp/libs/WRScpp.so,
> 6): Library not loaded: /usr/local/lib/libquadmath.0.dylib
>    Referenced from:
> /Library/Frameworks/R.framework/Versions/3.1/Resources/library/WRScpp/libs/WRScpp.so
>    Reason: image not found
> Error: package or namespace load failed for ‘WRScpp’​
>
> 	[[alternative HTML version deleted]]
>
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford
1 South Parks Road, Oxford OX1 3TG, UK